Home / 52,118,909.92-78,178,966.71-15,727,615.48

Finding the Fourth Proportional to 52,118,909.92, 78,178,966.71 and 15,727,615.48

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Solution

The fourth proportional to 52,118,909.92, 78,178,966.71 and 15,727,615.48 is: 23,591,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118,909.92 : 78,178,966.71 = 15,727,615.48 : x
  2. Step 2: Convert to fraction form
    52,118,909.92/78,178,966.71 = 15,727,615.48/x
  3. Step 3: Cross multiply
    52,118,909.92x = 78,178,966.71 × 15,727,615.48
  4. Step 4: Simplify right side
    52,118,909.92x = 1,229,568,727,038,600.50
  5. Step 5: Solve for x
    x = 1,229,568,727,038,600.50/52,118,909.92
  6. Step 6: Final answer
    x = 23,591,604.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.